日经平均股指大涨2175点，创新高

Core Viewpoint - The Japanese stock market experienced a significant surge following the election of new Liberal Democratic Party president, Sanae Takaichi, with expectations of fiscal expansion and monetary easing driving investor sentiment [4]. Group 1: Market Performance - On October 6, the Nikkei average index rose by 2,175.26 points, marking a 4.8% increase and reaching a record high of 47,944.76 points [2]. - This single-day increase is noted as the fourth largest since the index's inception [2]. Group 2: Political Impact - The election of Sanae Takaichi, the first female president of the Liberal Democratic Party, shifted market expectations, leading to a rapid buying of Japanese stocks and selling of yen [4]. - The market had initially anticipated the election of Agriculture Minister Yoshikazu Koizumi, making Takaichi's victory a surprise that fueled optimism among investors [4]. Group 3: Sector Performance - Stocks related to Takaichi's proposed policies on defense, nuclear fusion, and space saw significant buying interest, with companies like Mitsubishi Heavy Industries, IHI, Fujitsu, and Mitsubishi Electric reaching new highs [4]. - Cybersecurity stocks such as NEC and Trend Micro also experienced substantial price increases [4]. Group 4: Market Sentiment - Approximately 90% of stocks in the Tokyo Stock Exchange Prime market saw gains, reflecting a broad-based rally driven by investor optimism regarding potential reforms in Japan [4].